Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS2) node-b 2. Configure the node-b IP Address:192.168.0.221 Select the appropriate volume group (vg00) from the list on the left and create a new iSCSI volume of the required size. The logical volume (lv0000) will be the destination of the replication process on node-b. Next, check "Use volume replication" checkbox. After assigning an appropriate amount of space for the iSCSI volume, click the apply button. www.open-e.com 9

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 3. Configure the node-a IP Address:192.168.0.220 Select the appropriate volume group (vg00) from the list on the left and create a new iSCSI volume of the required size. The logical volume (lv0000) will be a source of the replication process on the node-a. Next, check the box for "Use volume replication" After assigning an appropriate amount of space for the iSCSI volume, click the apply button NOTE: The source and destination volumes must be of identical size. www.open-e.com 12

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS2) node-b 2. Configure the node-b IP Address:192.168.0.221 Now, on the node-b, go to "Volume replication". Within Volume replication mode function, check "Destination" checkbox for lv0000. Then, click the apply button. In the Hosts Binding function, enter the IP address of node-a (in our example, this would be 192.168.3.220), enter node-a administrator password and click the apply button. After applying all the changes, the status should be: Reachable. NOTE: The Mirror server IP Address must be on the same subnet in order for the replication to communicate. VPN connections can work providing you are not using a NAT. Please follow example: • Source: 192.168.3.220 • Destination: 192.168.3.221 www.open-e.com 14

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 3. Configure the node-a IP Address:192.168.0.220 You may view information about currently running replication tasks in the Replication tasks manager function window. When a task is started, a date and time will appear. www.open-e.com 17

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 3. Configure the node-a IP Address:192.168.0.220 You can check the status of Volume Replication anytime in STATUS → "Tasks" → "Volume Replication" menu. Click on the button, located next to a task name (in this case MirrorTask-a) to display detailed information about the current replication task. NOTE: Please allow the replication task to complete (similar to above with status being ”Consistent”) before writing to the iSCSI Logical Volume. www.open-e.com 18

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS2) node-b 4. Create new target on the node-b IP Address:192.168.0.221 Choose CONFIGURATION, "iSCSI target manager" and "Targets" from the top menu. In the "Create new target" function, uncheck the box Target Default Name. In the Name field, enter a name for the new target and click apply to confirm. iSCSI targets NOTE: Both systems must have the same Target name. www.open-e.com 19

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS2) node-b 4. Create new target on the node-b IP Address:192.168.0.221 After that, select target0 from the Targets field. To assign appropriate volume to the target (iqn.2013-06:mirror-0 → lv0000) click attach button located under Action. NOTE: Volumes on both sides must have the same SCSI ID and LUN# for example: lv0000 SCSI ID on node-a = lv0000 SCSI ID on node-b. In this case before clicking the attach button please copy the SCSI ID and LUN# from this node. www.open-e.com 20

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 5. Create new target on the node-a IP Address:192.168.0.220 Next, go to node-a, click on CONFIGURATION and choose "iSCSI target manager" → "Targets" from the menu. In the "Create new target" function, uncheck the box Target Default Name. In the Name field, enter a name for the new target and click apply to confirm. iSCSI targets NOTE: Both systems must have the same Target name. www.open-e.com 21

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 6. Configure Failover IP Address:192.168.0.220 In the "Ping nodes" function, enter two ping nodes. In the IP address field enter IP address and click the add new ping node button (according to the configuration in the third slide). In this example, IP address of the first ping node is: 192.168.1.107 and the second ping node: 192.168.2.107 www.open-e.com 25

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 6. Configure Failover IP Address:192.168.0.220 When you are finished with setting the virtual IP, go to the "iSCSI resources" tab on the local node resources and click the add or remove targets button. After moving the target mirror-0 from "Available targets" to "Targets already in cluster" click the apply button. www.open-e.com 29

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 6. Configure Failover IP Address:192.168.0.220 After that, scroll to the top of the Failover manager function. At this point, both nodes are ready to start the Failover. In order to run the Failover service, click the start button and confirm this action by clicking the start button again. NOTE: If the start button is grayed out, the setup has not been completed. www.open-e.com 30

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 7. Start Failover Service IP Address:192.168.0.220 After clicking the start button, configuration of both nodes is complete. NOTE: You can now connect with iSCSI Initiators. The storage client, in order to connect to target0 please setup multipath with following IP on the initiator side: 192.168.20.100 and 192.168.21.100. www.open-e.com 31

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 9. Run Failback Function IP Address:192.168.0.220 In order to test failback, click the move to local node button in the Resources pool manager box for local node resources and confirm this action by clicking the move button. www.open-e.com 34

Open-E DSS V7 Active-Passive iSCSI Failover Data Server (DSS1) node-a 9. Run Failback Function IP Address:192.168.0.220 After completing this step the status for node-a resources should state "active on node-a" (local node) and the Synchronization status should state: synced. NOTE: The Active-Passive option allows configuring a resource pool only on one of the nodes. In such a case, all volumes are active on a single node only. The Active-Active option allows configuring resource pools on both nodes and makes it possible to run some active volumes on node-a and other active volumes on node-b. The Active-Active option is enabled with the TRIAL mode for 60 days or when purchasing the Active-Active Failover Feature Pack. The configuration and testing of Active-Passive iSCSI Failover is now complete. www.open-e.com 35

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